/* 设置根元素字体大小，用于rem适配 */
html {
  font-size: 16px;
}

@media screen and (min-width: 320px) {
  html {
    font-size: 16px;
  }
}

@media screen and (min-width: 375px) {
  html {
    font-size: 18px;
  }
}

@media screen and (min-width: 414px) {
  html {
    font-size: 20px;
  }
}

@media screen and (min-width: 768px) {
  html {
    font-size: 24px;
  }
}

@media screen and (min-width: 1024px) {
  html {
    font-size: 28px;
  }
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

#app {
  width: 100%;
  height: 100vh;
}